Обсуждение: query : max size Bytea
hi, i would request you to answer the following query: 1. What is the maximum size of data single Bytea entry in column? i would be thankful to you for the above request . P.S : my current reqirement is to add more that 1 gb of data in a single entry of type bytea column in each row. Thanks and regards Arunachalam
Hello there are limits: Maximum size for a table? 16 TB Maximum size for a row? 1.6TB Maximum size for a field? 1 GB But my experience is, on older servers with RAM < 2G is +/- 20M long bytea slow and it is better use BLOB, that is much faster for longer items. Regards Pavel Stehule On 20/12/2007, Arunachalam Parthasarathy <arunachalamamsam@gmail.com> wrote: > hi, > i would request you to answer the following query: > > 1. What is the maximum size of data single Bytea entry in column? > > i would be thankful to you for the above request > . > P.S : my current reqirement is to add more that 1 gb of data in a > single entry of type bytea column in each row. > > Thanks and regards > Arunachalam > > ---------------------------(end of broadcast)--------------------------- > TIP 4: Have you searched our list archives? > > http://archives.postgresql.org >
Arunachalam Parthasarathy wrote: > hi, > i would request you to answer the following query: > > 1. What is the maximum size of data single Bytea entry in column? > > i would be thankful to you for the above request > . > P.S : my current reqirement is to add more that 1 gb of data in a > single entry of type bytea column in each row. > > Thanks and regards > Arunachalam > > ---------------------------(end of broadcast)--------------------------- > TIP 4: Have you searched our list archives? > > http://archives.postgresql.org > > bytea uses up to 4 bytes to represent the binary string length (signed 32-bit integer). So the max data size is 2G. http://www.postgresql.org/docs/8.3/static/datatype-binary.html andrew
On Dec 20, 2007 12:47 PM, Andrew Chernow <ac@esilo.com> wrote: > Arunachalam Parthasarathy wrote: > bytea uses up to 4 bytes to represent the binary string length (signed > 32-bit integer). So the max data size is 2G. max data size is 2g, but only large objects can hit that...1gb limit comes from toast and applies to pretty much anything else (http://www.postgresql.org/docs/8.3/static/storage-toast.html). merlin
Andrew Chernow wrote: > Arunachalam Parthasarathy wrote: >> hi, >> i would request you to answer the following query: >> >> 1. What is the maximum size of data single Bytea entry in column? >> >> i would be thankful to you for the above request >> . >> P.S : my current reqirement is to add more that 1 gb of data in a >> single entry of type bytea column in each row. >> >> Thanks and regards >> Arunachalam >> >> ---------------------------(end of broadcast)--------------------------- >> TIP 4: Have you searched our list archives? >> >> http://archives.postgresql.org >> >> > > bytea uses up to 4 bytes to represent the binary string length (signed > 32-bit integer). So the max data size is 2G. > > http://www.postgresql.org/docs/8.3/static/datatype-binary.html > > andrew > Sorry, my mistake. Max size is 1G. oops. andrew